Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / qe / fdt.c

diff --git a/qemu/roms/u-boot/drivers/qe/fdt.c b/qemu/roms/u-boot/drivers/qe/fdt.c
new file mode 100644 (file)
index 0000000..d9a7d82
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/qe/fdt.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include "qe.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * If a QE firmware has been uploaded, then add the 'firmware' node under
+ * the 'qe' node.
+ */
+void fdt_fixup_qe_firmware(void *blob)
+{
+       struct qe_firmware_info *qe_fw_info;
+       int node, ret;
+
+       qe_fw_info = qe_get_firmware_info();
+       if (!qe_fw_info)
+               return;
+
+       node = fdt_path_offset(blob, "/qe");
+       if (node < 0)
+               return;
+
+       /* We assume the node doesn't exist yet */
+       node = fdt_add_subnode(blob, node, "firmware");
+       if (node < 0)
+               return;
+
+       ret = fdt_setprop(blob, node, "extended-modes",
+               &qe_fw_info->extended_modes, sizeof(u64));
+       if (ret < 0)
+               goto error;
+
+       ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id);
+       if (ret < 0)
+               goto error;
+
+       ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps,
+               sizeof(qe_fw_info->vtraps));
+       if (ret < 0)
+               goto error;
+
+       return;
+
+error:
+       fdt_del_node(blob, node);
+}
+
+void ft_qe_setup(void *blob)
+{
+       do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+               "bus-frequency", gd->arch.qe_clk, 1);
+       do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+               "brg-frequency", gd->arch.brg_clk, 1);
+       do_fixup_by_compat_u32(blob, "fsl,qe",
+               "clock-frequency", gd->arch.qe_clk, 1);
+       do_fixup_by_compat_u32(blob, "fsl,qe",
+               "bus-frequency", gd->arch.qe_clk, 1);
+       do_fixup_by_compat_u32(blob, "fsl,qe",
+               "brg-frequency", gd->arch.brg_clk, 1);
+       do_fixup_by_compat_u32(blob, "fsl,qe-gtm",
+               "clock-frequency", gd->arch.qe_clk / 2, 1);
+       fdt_fixup_qe_firmware(blob);
+}